Core lifter



FIG. 1 is a perspective view of a core lifter;

FIG. 2 is a front elevational view of the core lifter shown in FIG. 1, the right side elevational view being identical thereto;

FIG. 3 is a bottom plan view of the core lifter shown in FIG. 1;

FIG. 4 is top plan view of the core lifter shown in FIG. 1;

FIG. 5 is a left side elevational view of the core lifter shown in FIG. 1; and,

FIG. 6 is a rear elevational view of the core lifter shown in FIG. 1.

The phantom, broken lines shown in the drawings form part of the design that is not claimed herein. 

The ornamental design for a core lifter, as shown and described. 